Maxine King was born to Leslie S. King (1879-1936) and Josephine M. Murphy (1879-1910) on March 3, 1908 in Southwest Harbor, Maine. Maxine's brother is Stanwood Hart King (1905-1996).
Maxine married Rea L. Rankin (1886-1959), son of La Forest Moses Rankin (1853-) and Annie May Frohock (1865-1943). The two were married on January 27, 1940 in Camden, Maine.
Maxine (King) Rankin died on January 31, 1983 in Rockport, Maine.